<?php
$con=mysqli_connect("192.168.0.170","adminmanzana","manzana-gt-2013","reciclatumanzana");

if (mysqli_connect_errno())
{
    echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
  
mysqli_query($con,"INSERT INTO users (name, email, facebook, state) VALUES ('".$_POST['name']."', '".$_POST['email']."','".$_POST['fb']."', 1)");

mysqli_close($con);
?>